I read this incredible piece, “The fat-fueled brain: unnatural or advantageous?” today by Shelly Fan in Scientific American. From her bio: Shelly Xuelai Fan is a PhD Candidate in Neuroscience at the University of

It’s not immediately intuitive but having a coffee or espresso mid workout is amazing. It’s got no sugar, no carbs, and no calories. The effect is nearly instantaneous. It’s cheap and plentiful. It doesn’t take